speedyxjs
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| posted on 10/3/09 at 08:53 PM |
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Bolting seats to floor
At the present time i have two 1" steel tubes going across from the outside rails to the trans tunnel to mount the seats (on rails) to but i
need to position the top seatbelt mounts about 2" above the top rail behind the seats. What i would like to know is whether a 2mm riveted steel
floor could hold the weight of the seat and driver/passenger. This way i could remove the 1" rails and only need a 1" raise on the top
seat belt mounts (and save weight  )
How long can i resist the temptation to drop a V8 in?
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big_wasa
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| posted on 10/3/09 at 08:57 PM |
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yep that will be fine.
Mine will be bolted direct to a 1.6mm steel floor.
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maartenromijn
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| posted on 10/3/09 at 08:59 PM |
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I have 1.6 mm steel floor as well . I use big spacers and washers. Why not stich weld the floor instead of rivets?
BLOG: http://thunderroad-super7.blogspot.com/
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pewe
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| posted on 10/3/09 at 09:00 PM |
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If in doubt weld in some flat strip across the floor at the relevant points. I used 50 x 3mm then mounted the runners on those.
Cheers, Pewe 
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Kriss
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| posted on 10/3/09 at 09:07 PM |
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mine are directly floor mounted - hold the weight fine, but i used mega big washed on both sides
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nick205
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| posted on 10/3/09 at 09:42 PM |
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MK Indy chasis has 2 steel strips instead of box section to mount the seats on - 50x3mm IIRC. My seats passed SVA bolted directly thouhgh these with
large washers - rivetted ally floor.
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Danozeman
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| posted on 10/3/09 at 09:58 PM |
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Mines bolted straight to the floor.
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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RoadkillUK
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| posted on 10/3/09 at 10:34 PM |
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Mine were bolted straight to the floor when they were the homemade plywood seats. Since we bought the Triton seats we installed seat runners and
1" tube to mount the runners.
I suppose it's possible now that my upper seatbelt mounts are too low ... shhh 
Roadkill - Lee
www.bradford7.co.uk
Latest Picture (14 Sept 2014)
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speedyxjs
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| posted on 11/3/09 at 07:13 AM |
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Ok great. Will cut them out at the w/e 
How long can i resist the temptation to drop a V8 in?
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MikeRJ
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| posted on 11/3/09 at 09:41 AM |
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I really don't like the idea of bolting seats directly to a thin panel, especially one which is riveted on.
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pewe
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| posted on 11/3/09 at 09:53 AM |
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If you cut them out just make sure they aren't structural. Without them the lateral forces are all being absorbed by the floor over quite a wide
span (no doubt a proper Mech Eng will be along to confirm or deny that).
The flat strips will help counter the loss of rigidity.
Cheers, Pewe
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